Articles tagged "devops"
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SSH Config File (~/.ssh/config) Complete Guide (2026)
Complete guide to the ~/.ssh/config file. Host blocks, IdentityFile, ProxyJump, ServerAliveInterval, multiple GitHub/GitLab accounts, Include directive explained.
SSH Key Generation and Management in 2026: ed25519, RSA, and More
SSH key generation in 2026: ed25519 vs RSA-4096 vs ECDSA comparison, ssh-keygen commands, ssh-copy-id, authorized_keys, ssh-agent, key rotation guide.
Create and Manage systemd Service Files: Complete Guide (2026)
Create systemd service files in 2026. [Unit], [Service], [Install] sections explained. ExecStart, Restart, User, EnvironmentFile. Real Python Flask app example.
systemd Timers vs Cron: When to Use Each (2026)
systemd timers vs cron comparison 2026. OnCalendar syntax, catch-up runs, logging, per-user timers, migration example from cron to systemd timer. FAQ included.
Docker daemon.json Complete Guide — All Options with Examples (2026)
Complete Docker daemon.json reference 2026. All options: log-driver, storage-driver, insecure-registries, live-restore, exec-opts, DNS, proxies. File location on Linux, Windows, macOS.
Docker daemon.json Configuration Guide
Docker daemon.json complete configuration reference. Redirecting to updated 2026 guide.
Ansible: group_vars Overwritten on Same Host
With ansible 1.6.1 using Mac OSX group_vars are overwritten by another group when sharing the same host.